shadylib

Contributors

People who contribute to this project.

Objects

1-0switch 1-0switch is a wrapper for the operation “1 - argument.” Send it a number to subtract that value from 1..
1-0switch~ 1-0switch~ is a wrapper that computes 1 minus its argument.
1scomp 1scomp gives the one’s complement of a number.
ad ad is an attack–decay envelope object based on Miller’s adsr.
anypipe anypipe is a pipe for passing arbitrary Pd data types, including symbols and lists.
ar ar generates an attack–release envelope based on Miller’s adsr, suitable for shaping a signal’s amplitude.
array-map array-map iterates over an array to modify its contents, applying a connected operation to each value, such as subtracting 0.25 or multiplying by 4.
array-seq array-seq creates an arithmetic sequence in an array, with controls for its multiplier and vertical offset.
array-shuffle array-shuffle shuffles the contents of an array, as demonstrated with the routetable array to create random routing.
banger banger outputs loadbang and DSP-state notifications (0 or 1), and its inlet can control DSP by sending messages to pd.
bangif bangif tests input against a conditional given as its arguments, such as < 4 or > 4, and outputs a bang indicating whether the condition is met or not.
bilexnoise~ bilexnoise~ generates noise with a bilateral exponential distribution.
bin2num bin2num takes a list of 0s and 1s and outputs the corresponding number.
binlist binlist converts a numeric value into a list of binary digits, providing a bitwise representation of the value.
blsasqri~ blsasqri~ is a signal-generating object related to blsqri~, with an additional band-limited output.
blsaw~ blsaw~ generates a band-limited sawtooth wave.
blsqri~ blsqri~ is the same as blsqr~, except that it also produces a bandlimited output.
blsqr~ blsqr~ generates a square or pulse waveform, with inlets for frequency, pulse width, and setting the phase.
bpbuzz~ bpbuzz~ is like buzz~, but produces bipolar output and adds pulse-width modulation control.
bpmtoms bpmtoms is a convenience object equivalent to expr 60000 / $f1.
buzz~ buzz~ is a band-limited impulse generator driven by a fundamental frequency, with another frequency specifying how far its harmonics extend.
bytes2float bytes2float converts a list of character-byte values representing a decimal number into a float, allowing forms such as leading zeros, an initial decimal point, and negative numbers.
cgmul~ cgmul~ performs complex multiplication on signal inputs using Gauss’s method.
circle~ circle~ generates a circle centered at x = 0.5 and y = 0.5.
cosinterp~ cosinterp~ performs cosine interpolation.
cyclecount cyclecount is a very simple counter intended for counting in cycles up to a top limit.
dbgr~ dbgr~ displays a stream of numbers from a signal, serving a purpose similar to snaps~ from jmmmp.
dbpole dbpole converts a time in milliseconds into a pole value for a decay from 1 to 0.001 (60 dB).
delreadc~ delreadc~ is an exact clone of delread~ that reads from a delay line created by delwritec~, with added support for clearing it.
delwritec~ delwritec~ is a clone of delwrite~ that adds a clear option, intended for writing an audio signal into a named delay buffer.
dispatchOSC dispatchOSC 9000 uses mrpeach objects such as udpreceive to receive OSC messages on port 9000.
dsrand~ dsrand~ is a random-number generator that periodically produces new random values.
dyncompand~ dyncompand~ is intended for dynamic compression, apparently applying companding to an input signal.
egrains~ egrains~ is a simple granular synthesizer whose argument names the array it reads.
expline expline is an exponential ramp generator that slews to a target value over a specified time when given a target–time pair.
expline~ expline~ generates an exponential audio ramp for signal-rate use.
fmod~ fmod~ provides the fmod operation from math.h for Pd signals.
freqshifterd~ freqshifterd~ is a frequency shifter with a phase input.
freqshifter~ freqshifter~ performs single-sideband modulation to shift the frequency of an input signal.
fsdict fsdict is a dictionary-like object that stores a unique relationship between a float and a symbol, allowing either value to retrieve its associated counterpart.
gainc~ gainc~ provides volume control and stereo panning, like outputc~ but without recording or a built-in dac~ connection.
grainyback~ grainyback~ is used to piggyback onto an egrains~ object, taking the last three outputs from egrains~ through its three inlets.
grainy~ grainy~ performs granular synthesis on a sound file.
gsave gsave provides a way to save values for multiple names under a shared global name, as illustrated by messages tagged s1 through s4.
hanning~ hanning~ applies a Hanning window over an input range from 0 to 1.
highest~ highest~ finds the maximum absolute value of a signal and reports it periodically.
inrange inrange tests whether an input number lies within an inclusive range, supporting separate “in range” and “not” outcomes.
javid~ javid~ produces a not-quite-sine waveform using a cubic approximation attributed to YouTuber javidx9.
linnoise~ linnoise~ creates noise with a linear distribution, though the help patch’s explanation of that distribution is incomplete.
linterp~ linterp~ performs linear interpolation.
lispatch lispatch takes an anything message and sends it to a Pd receive selected from the message, as illustrated by r this and r that.
list-const list-const creates a list by repeating the same item a specified number of times.
list-count list-count counts how many times a specified argument or value from its second inlet occurs in a list.
list-delim list-delim splits a list according to a specified symbol.
list-dripdex list-dripdex behaves like list-drip, while providing the index of each item from its second outlet.
list2bytes list2bytes serializes a Pd list into a list of byte values, for example so it can later be reconstructed with bytes2any.
lmap lmap provides an interface to Lua tables for storing and indexing associative key-value mappings.
log2 log2 calculates the base-2 logarithm of an input value.
lolotoa lolotoa manages a Lua-backed ordered list of tables containing Pd anything messages.
macrodivide macrodivide is designed to synchronize a stepped sequence at zero by multiplying the number of steps by a subdivision, with alignment based on the last step.
makerpath makerpath converts a pathname relative to the root canvas into an absolute path, while leaving already absolute paths unchanged.
messtro messtro sequences messages according to a tempo set by two arguments or a tempo message, with its right outlet indicating downbeats.
meters~ meters~ is demonstrated receiving a signal from osc~ scaled by *~.
metorate metorate uses metro to produce a specified number of outputs at a given tempo.
microp microp performs microtonal pitch transfer by taking note values and dividing/scaling their pitch.
modf~ modf~ splits an input signal into its integer and fractional parts.
modulator~ modulator~ is used for FM (frequency modulation), with its middle inlet serving as the modulation index rather than as a multiplier.
moop~ moop~ is a sample looper and successor to loop~, intended for looping a selected range of a buffer with transposition control.
mseq mseq is used as a pattern sequencer in a 16-step musical example, with stored values driving note and output processing.
msgsave msgsave works with saver to save parameters.
mstof mstof converts milliseconds to frequency or vice versa.
mstos mstos determines how many samples correspond to a given duration in milliseconds.
multatord~ multatord~ multiplies an input signal by a factor and then adds an offset, making it useful for signal scaling and shifting.
multitrigger multitrigger outputs a bang after receiving a number of input bangs equal to its creation argument.
neadsr~ neadsr~ generates an attack/decay/sustain/release envelope with configurable stage times, sustain level, and curvature; its default attack, decay, and release curves are logarithmic in level, with the exponential portion based on 60 dB.
nead~ nead~ is an envelope-style object designed to begin its release stage even while the attack is still in progress.
near~ near~ generates an attack–release signal whose attack stage holds until a zero trigger starts the release.
noteson noteson keeps track of which notes are currently being played and outputs the active-note list from its left outlet.
nrcombf~ nrcombf~ is a non-recirculating comb filter that uses Lagrange interpolation, with arguments for delay time and feedforward gain.
operatord~ operatord~ is like operator~, but it accepts a phasor~ signal at its inlet.
operator~ operator~ applies multiplication and addition to signals, and can also be configured as a sine-wave oscillator.
oscope~ oscope~ is an oscilloscope object for displaying a signal such as the output of osc~.
outputc~ outputc~ is like output~, but it also accepts gain values through its right inlet and can record.
passif passif conditionally routes incoming data according to a comparison.
pds2l pds2l splits an input symbol into a list of character symbols, unlike zexy/s2l, which may output floats.
percent percent conditionally sends input to its left outlet according to a percentage supplied at the right inlet, using a pseudorandom decision.
perlinterp~ perlinterp~ is a Perlin-noise interpolator that takes a phasor~ signal as its interpolation input.
phasafor~ phasafor~ takes a 0-to-1 signal from phasor~ or loop~ and a center value.
phasorator~ phasorator~ is described as being like an operator, but using phasor~.
pib~ pib~ reports the time, in milliseconds, into the current signal block.
pinb~ pinb~ outputs the current sample number within the DSP block.
pipebang pipebang delays an incoming bang by the amount specified by its argument, as illustrated by pipebang 500.
pitchnoise~ pitchnoise~ generates pitched noise, based on a technique from Computer Music by Dodge and Jerse.
pitchshiftr~ pitchshiftr~ is the reader portion of a pitch shifter, reading audio written to a named delwritec~ buffer and applying pitch transposition.
pitchshift~ pitchshift~ is a pitch-shifting audio object, demonstrated here processing the output of blsaw~.
powclip~ powclip~ is an exponential clipper based on taking the antiderivative.
powline powline ramps to new values like line, with the ramp shaped by raising numbers to a specified power; its creation arguments set the initial value, time grain (20 ms by default), and power.
powline~ powline~ generates an audio-rate ramp between values, with messages such as target-and-duration pairs specifying the ramp.
prepender prepender prepends a specified value or sequence to incoming messages; when no argument is supplied, it defaults to list.
pthng~ pthng~ is intended to shift upward through harmonics by multiplying a cosine wave by a multiple Hann-windowed pulse train.
rcombf~ rcombf~ is a recirculating comb filter that uses Lagrange interpolation, with arguments for delay time, feedback, and buffer length.
realpass~ realpass~ is an all-pass filter whose delay can be greater than 1.
rectoratord~ rectoratord~ is like operatord~ but uses a square wave.
rectorator~ rectorator~ is like operator~, but designed for a square wave.
repeater~ repeater~ buffers an incoming signal and records, plays, or holds it for durations specified in milliseconds, with its right outlet reporting the repeat number.
rexpline rexpline is a reverse-exponential ramp generator that slews to a target value over a specified time.
rexpline~ rexpline~ generates an exponential ramp as an audio signal.
rndmrange rndmrange generates a random value when triggered, with an inlet or argument setting the number of possible values.
rootinfo rootinfo reports the path, name, and level of a canvas.
rover~ rover~ performs signal division like /~, but with the inlet roles reversed.
rpowline~ rpowline~ generates an audio-rate power-shaped ramp, serving as a nonlinear alternative for moving between values over a specified time.
sampbufs~ sampbufs~ is a simple stereo wrapper for soundfiler.
sampbuf~ sampbuf~ is a simple wrapper for soundfiler, intended to load or manage sample-buffer data.
sampphase~ sampphase~ is a phasor whose frequency changes only at phase boundaries, and it also accepts signal input.
saver saver globname provides save and load control for state associated with the shared name globname, as demonstrated with stater and sstater objects.
saveroute saveroute allows a Pd patch to use both messages and text files for saving state.
scaler~ scaler~ scales a signal by multiplying it and then adding an offset.
selected selected reports the indices of all objects currently being selected.
seqbank seqbank stores sequence data in rows and columns for use with objects such as sequencer, wrapping input to the next row when necessary.
shadylook shadylook maps input values between 0 and 1 through a named curve: gauss, cauchy, or rexp.
shadylook~ shadylook~ is the signal-rate version of shadylook.
shnoise~ shnoise~ generates sampled-and-held noise as a wrapper around phasor~ and dsrand~.
show show displays an incoming list in a connected message box, making its value visible.
sigenv~ sigenv~ calculates the RMS level of a signal using a low-pass filter.
siglinterp~ siglinterp~ is a linearly interpolated signal multiplexer that interpolates across a specified number of signal inlets.
smoother~ smoother~ ramps a control signal to an audio signal over a specified amount, serving to smooth control-value changes at audio rate.
sndfread~ sndfread~ opens and reads a sound file, outputting stereo audio suitable for connection to dac~.
sndfwritem~ sndfwritem~ is a mono sound-file writer that records an incoming mono signal to a specified filename.
sndfwrites~ sndfwrites~ is a stereo sound-file writer that takes stereo signals through its first two inlets.
sqr sqr squares a control signal.
srepeater~ srepeater~ is a simple beat repeater for holding and repeating audio, with an argument such as 4000 shown in the help patch.
sstater sstater works with saver to save parameters when only one float needs to be stored.
stater stater works with saver to save parameters.
stoms stoms converts a number of samples into the equivalent duration in milliseconds.
stream-drip stream-drip serializes a recorded stream of timestamped events for playback; each event is documented as beginning with / followed by a time in milliseconds.
stream-fromtext stream-fromtext reads the contents of a named text object and outputs them as a stream of lines.
stream-map stream-map works like list-map for streams, applying a transformation to stream elements.
stream-quant stream-quant quantizes a stream to a timing grid whose multiple can be set by an argument, as shown by stream-quant 500.
stream-totext stream-totext writes an incoming message stream into a named text define object, here stream-totext-help.
streamdiff The streamdiff object reports how many numbers are being repeated.
streamread streamread works with streamwrite to write and read streams of anything.
streamread-slow streamread-slow outputs messages stored by streamwrite one at a time for processing or algorithmic use.
streamwrite streamwrite records a series of timestamped events into a list for later playback with streamread.
streamwrite-slow streamwrite-slow writes streamwrite-formatted messages one at a time, providing a way to process a formatted stream sequentially.
subdivide subdivide produces a specified number of subdivision outputs from an incoming bang.
svosim~ svosim~ is a signal-generating object whose output is shaped by fundamental frequency, center frequency, duty cycle, and decay-factor controls.
switchnramp~ switchnramp~ implements Miller’s switch-and-ramp technique, jumping to a specified value and taking a configurable time to do so.
synlets synlets synchronizes two trigger inlets by waiting for a specified number of bangs at each inlet.
tabload tabload an_array2 loads data into the named Pd array, serving as the counterpart to tabsave.
tabread4hs~ tabread4hs~ is presented as an updated version of nusmuk-audio’s tabread4c~ with an audio-rate capability.
tabsave tabsave outputs the contents and size of a named array as a message, allowing the array data to be stored in a message box.
tcheb~ tcheb~ is a Chebyshev waveshaper intended to support orders up to 256.
temposet temposet represents or configures a tempo setting, as shown by the instance temposet 200 bpm.
testar~ testar~ is a simple array-writing tool for viewing and debugging signals.
testro testro is a quick metronome intended for debugging.
transpose transpose takes an interval in semitones as input and outputs an approximate transposition.
transpose~ transpose~ computes 2^(in/12), converting its input into a transposition ratio based on 12 steps per doubling.
triangulatord~ triangulatord~ is similar to triangulator~, but takes a phasor~ signal as input and produces output in the range -1 to 1.
triangulator~ triangulator~ generates a triangle wave with a range of -1 to 1, serving a role similar to operator~ for triangle-wave synthesis.
trinoise~ trinoise~ works like shnoise~ but uses two dsrand sources to create a triangular distribution, producing values concentrated around 0.
tseq tseq is a step-sequencing object for working with list-based patterns, as demonstrated by the 16-step binary patterns and timing controls in the help patch.
ttempo ttempo lets you tap a tempo and outputs or represents it in milliseconds.
txtsave txtsave works with a globally named savetxt store, supporting clear, write saveit.txt, and read saveit.txt messages for managing and persisting text data.
udispatch udispatch 3009 creates a UDP receiver on port 3009 and dispatches incoming messages according to their first element.
updel updel sends a bang from its outlet after a configurable delay, with milliseconds as the default unit and optional tempo and time-unit creation arguments.
upmet upmet is a metronome similar to metro, used to produce ticks at a configurable interval.
urandom urandom is an interface to the urandom utility that fetches three bytes.
valuer valuer is like receiver, but for values: instances with the same name, such as valuer dog, provide access to the corresponding named value.
vdhs~ vdhs~ is a variable-delay object based on vd~ that uses Hermite spline interpolation, making it suitable for effects such as a simple flanger.
voisim~ voisim~ implements the VOSIM algorithm for audio synthesis, with controls for fundamental frequency, center frequency, and decay.
volpan~ volpan~ appears to be an audio object related to volume and panning, used in a signal chain with osc~, smoother~, gainc~, and dac~.
wavepacket~ wavepacket~ is used to produce a wave-packet signal with controls labeled center frequency, fundamental, and bandwidth.
wscauchy~ wscauchy~ is a waveshaping object that applies the formula 1 / (1 + a²(x + 1)) to an input signal x, where a is an index.
wsexp~ wsexp~ applies exponential waveshaping to an input signal using the formula e^(a(x - 1)), where x is the signal and a is the index.
wssincos~ wssincos~ is a signal-processing object derived from the Pd audio examples, intended for sine/cosine-related waveshaping or phase manipulation.